$874 Find cheap flights from Washington Dulles Airport to Santander

In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Santander was $874 for a round-trip ticket.

Yes, you'll most likely have to show a valid passport before boarding the plane in Washington Dulles Airport and on arrival in Santander.

Washington Dulles Airport and Santander are both served by 1 main airport. You will leave Washington Dulles Airport from Washington, D.C. Dulles Intl and will be arriving at Santander.

We unfortunately don’t have that data for this specific route.

oneworld is the only airline alliance operating flights between Washington Dulles Airport and Santander.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Santander.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Santander from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Santander with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and SDR can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Santander from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.